Grade 4.8 Gr 8.8 B7 Trumpet Head Galvanized Drywall Screw Carbon Steel C1035
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... of this screw is very strong, compared with ordinary screws, not only the ability to maintain better, the effect of connecting the object is very firm, for this performance of the screw, generally do not need auxiliary processing, you can directly drill a...
Hunan Jia Shan Hardware Tech Co., Ltd.
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